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| Criterion |  Operations Visual Management |  Operations 5 Whys |  Delivery Value Stream Mapping |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | Ongoing | 15-30 min | 1-3 h | 1-4 h |
Participantsdifferent | 1-20 | 2-6 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Root cause notes, Countermeasures | Current-state map, Future-state map, Bottleneck list | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | SignalsOperationsVisual management | Root causeIncidentLeanProblem solving | LeanFlowWasteDelivery | Root causeProblem solvingQualityIncident |